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The Worst Episodes of Ajin

Every episode of Ajin ranked from worst to best. Explore the Worst Episodes of Ajin!

Binge this in 10h 9m•Peaking at 8.3/10

17 years ago, immortals first appeared on the battlefields of Africa. Later, rare, unknown new immortal lifeforms began appearing among humans, and they became known as "Ajin" (demi-humans). Just before summer vacation, a Japanese high

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Episode Rankings

  1. #1 Worst Episode
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    Ajin Season 1 Episode 10 - It Starts Decaying the Moment It's Created
    7.1/10(157 votes)

    S1:E10

    Tozaki make new discoveries. Neighbors Mrs. Yamanaka suspect Kei. Sato finalizes his plan.

    Director:Ryo-timo
    Writers:Jun Kumagai, Kenta Ihara

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  2. Ajin Season 1 Episode 9 - Wait, Let's Talk Over This Again
    7.2/10(158 votes)

    S1:E9

    Sato prepares to attack. Ko discovers the hideout of Kei and begs for help. Tosaki gets a surprise visit.

    Director:Keisuke Ide
    Writer:Hiroshi Seko

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  3. Ajin Season 1 Episode 7 - We Will Cover It All Up!
    7.3/10(163 votes)

    S1:E7

    With his job at stake, Tozaki takes drastic measures to find out more about Ajin. Sato takes his emphasis on putting into practice a new plan.

    Director:Ryo-timo
    Writer:Hiroshi Seko

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  4. Ajin Season 1 Episode 1 - A Topic That Has Nothing to Do with Us
    7.4/10(220 votes)

    S1:E1

    Kei Nagai is a good student whose life turned upside down when he was struck by a truck. After this accident he discovers that he is an immortal (ajin). Feeling shocked and panic, he runs away to an isolated place. Now he can't trust anyone but his childhood friend Kaito.

    Directors:Hiroyuki Seshita, Hiroaki Ando
    Writer:Kenta Ihara

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  5. Ajin Season 1 Episode 2 - Why Is This Happening to Me? I Didn't Do Anything Wrong!
    7.4/10(192 votes)

    S1:E2

    Tosaki takes the pursuit of government by Ajin. Kei and Kaito are attacked by bandits in search of rewards.

    Director:Ryo-timo
    Writer:Jun Kumagai

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  6. Ajin Season 1 Episode 4 - Have You Ever Seen a Black Ghost?
    7.5/10(176 votes)

    S1:E4

    Izumi fight against a being in Eriko's hospital room. After saying goodbye to Kaito, Kei receives a mysterious invitation.

    Director:Ryo-timo
    Writer:Jun Kumagai

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  7. Ajin Season 1 Episode 8 - Brace for Impact
    7.6/10(162 votes)

    S1:E8

    Ko flees after Fact reveals his evil plans. Who takes refuge to practice the invocation of his ghost.

    Director:Akio Kazumi
    Writer:Kenta Ihara

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  8. Ajin Season 2 Episode 3 - I'm Always Scared
    7.6/10(112 votes)

    S2:E3

    Sato is able to assassinate another off of the list. Nagai and Tosaki begin planning their counterattack against Sato. Nagai begins to struggle with the behavior of his IBM, wondering if he himself has to change. Tosaki also let's Nagai know Kaito's current condition.

    Director:Taku Yonebayashi
    Writer:Hiroshi Seko

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  9. Ajin Season 2 Episode 5 - Kuro-chan, Please!
    7.6/10(108 votes)

    S2:E5

    Kei continues his training. Tosaki attempts to get the Minitser's schedule. The Minister refuses, which leads Tosaki to attempt to steal it. However, the American investigators interfere.

    Director:Keisuke Ide
    Writer:Kenta Ihara

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  10. Ajin Season 2 Episode 7 - Kuro-chan, Just Once More, Please!
    7.6/10(103 votes)

    S2:E7

    Nagai and the group pursue the Americans and Tosaki. Izumi manages to catch up with them and ultimately rescue Tosaki. Unfortunately, this means they missed their window to catch Sato.

    Director:Keisuke Ide
    Writer:Kenta Ihara

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  11. Ajin Season 1 Episode 3 - I Think I'm Done For
    7.7/10(183 votes)

    S1:E3

    Kaito and Kei are seen and pursued by another motorcyclist. Meanwhile Yu Tosaki recognises Sato, an Ajin hunter at the original accident scene. The other motorcyclist causes the boys to crash, but Kaito recovers and knocks him unconscious.

    Director:Akio Kazumi
    Writer:Kenta Ihara

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  12. Ajin Season 1 Episode 5 - Trash Who Only Ask for Help When They Are Desperate
    7.7/10(172 votes)

    S1:E5

    Kei goes through horrible experiences in a government laboratory and Tanaka encourages you to free his dark side. Sato planning a rescue mission.

    Director:Akio Kazumi
    Writer:Kenta Ihara

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  13. Ajin Season 2 Episode 1 - It Has Become Tiresome
    7.7/10(144 votes)

    S2:E1

    Satō emerges from the rubble as he blew up an existing tunnel below to escape being crushed by Nagai's plan. Satō begins to hunt Nagai and the others as they attempt one last attempt as stopping him before the military unleashes a gas attack.

    Director:Takeshi Iwata
    Writer:Hiroshi Seko

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  14. Ajin Season 2 Episode 2 - Everyone Around Here Is an Idiot
    7.7/10(113 votes)

    S2:E2

    Kei and Ko train their bodies and begin to develop strategies to fight Tosaki. Kei spends time talking about his IBM with Ogura, realizing Kei's ghost is an extreme abnormality. While they begin to strategize, Sato makes his next move taking down a plane with his second target.

    Director:Keisuke Ide
    Writer:Hiroshi Seko

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  15. Ajin Season 2 Episode 4 - It's Sickening, Right?
    7.7/10(107 votes)

    S2:E4

    Kaito is in prison after helping Kei escape. He encounters prisoners ganging up on another prisoner after a successful escape attempt. The prisoner wants no help from Kaito. It begins to be clear the prisoner is hiding something.

    Director:Takeshi Iwata
    Writer:Hiroshi Seko

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  16. Ajin Season 2 Episode 6 - It's Tough Being a Lapdog
    7.7/10(106 votes)

    S2:E6

    Tosaki has been captured. Izumi rushes back to the hideout and insists they rescue him. Initially refusing, Nagai ultimately leads a team to rescue Tosaki from the Americans.

    Directors:Takeshi Iwata, Keisuke Ide
    Writer:Hiroshi Seko

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  17. Ajin Season 2 Episode 10 - I Won't Do It
    7.7/10(102 votes)

    S2:E10

    Nagai and the group return after being defeated by Sato. Nagai struggles to deal with his failures. Sato continues towards his third and final wave, an Ajin run Japan. Tosaki tries to mobilize everyone once more to stop Sato, but Nagai refuses.

    Directors:Taku Yonebayashi, Keisuke Ide
    Writer:Hiroshi Seko

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  18. Ajin Season 2 Episode 12 - It Sounds Interesting, So I Guess That's Okay
    7.8/10(104 votes)

    S2:E12

    People from Satō's group desert and make contact with Nagai. The US plans on releasing the chemical weapons on Satō in the sewers. Tosaki is called and asked for assistance, which leads Nagai and the group to go after Satō once more.

    Directors:Keisuke Ide, Hiroaki Ando
    Writer:Hiroshi Seko

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  19. Ajin Season 1 Episode 6 - I Adore Killing
    7.9/10(176 votes)

    S1:E6

    Sato starts killing people in the lab. Kei tries to stop him and discovers that Ajin has a weak spot.

    Director:Keisuke Ide
    Writer:Jun Kumagai

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  20. Ajin Season 2 Episode 8 - Things Are Getting Kind of Tough in This Country
    7.9/10(105 votes)

    S2:E8

    Tosaki manages to get his team allowed into the building where Sato's next target is. Just as the clock ticks closer, a truck rushes in and sets off an E.M.P. bomb, rendering all electronics and new anti-Ajin guns useless. Sato charges in for an old fashioned gun fight.

    Directors:Takeshi Iwata, Keisuke Ide
    Writer:Hiroshi Seko

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  21. Ajin Season 2 Episode 11 - This Really Is War
    7.9/10(103 votes)

    S2:E11

    Unrest begins as Satō-san releases a chemical weapon onto the population. People begin trying to attack the families of Ajin. Nagai saves his sister with the assistance of Kaito. Nagai entrusts his sister into Kaito's care.

    Director:Keisuke Ide
    Writers:Kenta Ihara, Hiroshi Seko

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  22. Ajin Season 1 Episode 11 - Now Then, It's Showtime
    8.0/10(171 votes)

    S1:E11

    In the supposed day of the attacks, the scenario of the city is shocking. Sato prepares for action with your team.

    Director:Akio Kazumi
    Writer:Hiroshi Seko

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  23. Ajin Season 2 Episode 13 - I Make Promises Too, Satō-san
    8.0/10(122 votes)

    S2:E13

    Although he was caught off his guard, Sato has one last plan: to kill the rest of the team.

    Director:Keisuke Ide
    Writer:Hiroshi Seko

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  24. Ajin Season 2 Episode 9 - You're the One Who Is Getting in the Way
    8.1/10(109 votes)

    S2:E9

    Ajin are humans that cannot die. Seventeen years ago, they first appeared on a battlefield in Africa. From then on, more of their kind are discovered within the human society. Their rarity in appearance means that, for experimental purposes, the government will generously reward anyone who captures one. In the present day, for what a certain high school student expects to be a typical summer holiday, his life is about to turn unexpected...

    Director:Keisuke Ide
    Writer:Kenta Ihara

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  25. Ajin Season 1 Episode 13 - Satō-san, It's Your Fault Everything's Messed Up
    8.2/10(169 votes)

    S1:E13

    Mr Keita reports Kei Nagai to the police to claim a reward. Yu Tosaki orders all available forces to the area to catch Kei. When Kei is confronted by the police, he uses his Black Ghost to delay them allowing him to escape into the woods. He uses Ko Nakano’s phone to throw the police off his trail, but Tosaki realizes it's a ruse and closes in.

    Director:Ryo-timo
    Writer:Hiroshi Seko

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Worst Episodes Summary

"It Starts Decaying the Moment It's Created" is the worst rated episode of "Ajin". It scored 7.1/10 based on 157 votes. Directed by Ryo-timo and written by Jun Kumagai, Kenta Ihara, it aired on 3/19/2016. This episode scored 0.1 points lower than the second lowest rated, "Wait, Let's Talk Over This Again".